Nissan Qashqai J11. Manual - part 932

PB-110

< DTC/CIRCUIT DIAGNOSIS >

C1BDF MODE

C1BDF MODE

DTC Description

INFOID:0000000010833695

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Electric parking brake control module

FAIL-SAFE

Automatic apply and release are prohibited.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn the ignition switch OFF
and wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT

1.

Turn the ignition switch OFF to ON.

CAUTION:

Be sure to wait for 10 seconds after turning ignition switch OFF or ON.

2.

Push the parking brake switch.

CAUTION:

• Set the select lever in the P position.
• Depress the brake pedal.

3.

Pull the parking brake switch.

4.

Perform self-diagnosis for “EHS/PKB”.

Is DTC “C1BDF” detected?

YES

>> Proceed to 

PB-110, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010833696

1.

CHANGE OF SYSTEM MODE

With CONSULT

Perform change of system mode. Refer to 

PB-59, "Work Procedure"

.

>> GO TO 2.

2.

PERFORM SELF-DIAGNOSIS

With CONSULT

1.

Turn the ignition switch OFF to ON.

CAUTION:

Be sure to wait for 10 seconds or more after turning the ignition switch OFF.

2.

Erase self-diagnosis result for “EHS/PKB”.

3.

Repeat the parking brake switch operation (pull and push) five times.

4.

Perform self-diagnosis for “EHS/PKB”.

Is DTC “C1BDF” detected?

DTC

Display Item

(Trouble diagnosis content)

Malfunction detected condition

C1BDF

MODE
(Mode)

When there is an internal malfunction in the electric parking brake control module. 
(Factory mode)

C1BDF MODE

PB-111

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

G

H

I

J

K

L

M

A

B

PB

N

O

P

YES

>> Replace the electric parking brake control module. Refer to 

PB-141, "Removal and Installation"

.

NO

>> INSPECTION END

PB-112

< DTC/CIRCUIT DIAGNOSIS >

U0100 ECM COMMUNICATION

U0100 ECM COMMUNICATION

DTC Description

INFOID:0000000010833697

DTC DETECTION LOGIC

POSSIBLE CAUSE

• ECM
• CAN communication line
• Electric parking brake control module

FAIL-SAFE

Automatic apply and release are prohibited.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn the ignition switch OFF
and wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT

1.

Turn the ignition switch OFF to ON.

CAUTION:

Be sure to wait for 10 seconds after turning ignition switch OFF or ON.

2.

Push the parking brake switch.

CAUTION:

• Set the select lever in the P position.
• Depress the brake pedal.

3.

Pull the parking brake switch.

4.

Perform self-diagnosis for “EHS/PKB”.

Is DTC “U0100” detected?

YES

>> Proceed to 

PB-112, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010833698

1.

ERFORM SELF-DIAGNOSIS (1)

With CONSULT

Perform self-diagnosis for “ENGINE”.

Is DTC detected?

YES

>> Check the DTC.

NO

>> GO TO 2.

2.

PERFORM SELF-DIAGNOSIS (2)

With CONSULT

1.

Turn the ignition switch OFF to ON.

CAUTION:

Be sure to wait for 10 seconds or more after turning the ignition switch OFF.

2.

Erase self-diagnosis result for “EHS/PKB”.

DTC

Display Item

(Trouble diagnosis content)

Malfunction detected condition

U0100

ECM/PCM A
(ECM/PCM A)

When CAN communication signal with ECM is not continuously received for 2 sec-
onds or more.

U0100 ECM COMMUNICATION

PB-113

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

G

H

I

J

K

L

M

A

B

PB

N

O

P

3.

Repeat the parking brake switch operation (pull and push) five times.

4.

Perform self-diagnosis for “EHS/PKB”.

Is DTC “U0100”, “U1000” detected?

YES (“U0100”)>>Replace the electric parking brake control module. Refer to 

PB-141, "Removal and Installa-

tion"

.

YES (“U1000”)>>Proceed to 

LAN-28, "Trouble Diagnosis Flow Chart"

.

NO

>> INSPECTION END